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aedrix-kernel/arch/i386/include/arch/segmentation.h

27 lines
1.2 KiB
C

/*
Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
This file is part of Aedrix.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define SEGMENT_SELECTOR_KERNEL_PRIVILEGE 0x0
#define SEGMENT_SELECTOR_KERNEL_CS (0x10 | SEGMENT_SELECTOR_KERNEL_PRIVILEGE)
#define SEGMENT_SELECTOR_KERNEL_DS (0x18 | SEGMENT_SELECTOR_KERNEL_PRIVILEGE)
#define SEGMENT_SELECTOR_USER_PRIVILEGE 0x3
#define SEGMENT_SELECTOR_USER_CS (0x20 | SEGMENT_SELECTOR_USER_PRIVILEGE)
#define SEGMENT_SELECTOR_USER_DS (0x28 | SEGMENT_SELECTOR_USER_PRIVILEGE)